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About node smoothing about powerful-gnns HOT 1 OPEN

weihua916 avatar weihua916 commented on June 15, 2024
About node smoothing

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weihua916 avatar weihua916 commented on June 15, 2024

Hi! The goal of GIN is more of trying to capture the topological structure of nodes' neighborhood rather than smoothing the node features. The summation aggregation of GIN is suitable for capturing the topology, but if you apply it to social networks (some nodes have very high node degrees), you may suffer from exploding node feature problem due to the sum.

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